GB2523561B - Underwater Environment Reference Map Enhancement and Intruder Detection - Google Patents

Underwater Environment Reference Map Enhancement and Intruder Detection

Info

Publication number
GB2523561B
GB2523561B GB1403430.0A GB201403430A GB2523561B GB 2523561 B GB2523561 B GB 2523561B GB 201403430 A GB201403430 A GB 201403430A GB 2523561 B GB2523561 B GB 2523561B
Authority
GB
United Kingdom
Prior art keywords
reference map
underwater environment
intruder detection
environment reference
map enhancement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
GB1403430.0A
Other versions
GB2523561A (en
GB201403430D0 (en
Inventor
Robert James Crook
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sonardyne International Ltd
Original Assignee
Sonardyne International Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sonardyne International Ltd filed Critical Sonardyne International Ltd
Priority to GB1403430.0A priority Critical patent/GB2523561B/en
Publication of GB201403430D0 publication Critical patent/GB201403430D0/en
Publication of GB2523561A publication Critical patent/GB2523561A/en
Application granted granted Critical
Publication of GB2523561B publication Critical patent/GB2523561B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/04—Systems determining presence of a target
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S15/523—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/66—Sonar tracking systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/86—Combinations of sonar systems with lidar systems; Combinations of sonar systems with systems not using wave reflection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52003—Techniques for enhancing spatial resolution of targets
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52023—Details of receivers
    • G01S7/52036—Details of receivers using analysis of echo signal for target characterisation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/539—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB1403430.0A 2014-02-27 2014-02-27 Underwater Environment Reference Map Enhancement and Intruder Detection Active GB2523561B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1403430.0A GB2523561B (en) 2014-02-27 2014-02-27 Underwater Environment Reference Map Enhancement and Intruder Detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1403430.0A GB2523561B (en) 2014-02-27 2014-02-27 Underwater Environment Reference Map Enhancement and Intruder Detection

Publications (3)

Publication Number Publication Date
GB201403430D0 GB201403430D0 (en) 2014-04-16
GB2523561A GB2523561A (en) 2015-09-02
GB2523561B true GB2523561B (en) 2016-03-02

Family

ID=50490457

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1403430.0A Active GB2523561B (en) 2014-02-27 2014-02-27 Underwater Environment Reference Map Enhancement and Intruder Detection

Country Status (1)

Country Link
GB (1) GB2523561B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2606159A (en) 2021-04-26 2022-11-02 Wavefront Systems Ltd Method of pre-processing acoustic signals received from an ensonified region of an underwater environment
GB2606160A (en) 2021-04-26 2022-11-02 Wavefront Systems Ltd Method of filtering acoustic b-scan signals for passive detection of an object underwater

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001018562A1 (en) * 1999-09-06 2001-03-15 Helge Balk Fish detection method using sonar data
US20040141419A1 (en) * 2003-01-17 2004-07-22 Science Applications International Corporation Acoustic fence
KR20110091414A (en) * 2010-02-05 2011-08-11 금오공과대학교 산학협력단 Simultaneous localization and mapping recognition method in aqueous environment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001018562A1 (en) * 1999-09-06 2001-03-15 Helge Balk Fish detection method using sonar data
US20040141419A1 (en) * 2003-01-17 2004-07-22 Science Applications International Corporation Acoustic fence
KR20110091414A (en) * 2010-02-05 2011-08-11 금오공과대학교 산학협력단 Simultaneous localization and mapping recognition method in aqueous environment

Also Published As

Publication number Publication date
GB2523561A (en) 2015-09-02
GB201403430D0 (en) 2014-04-16

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